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From: Miaohe Lin <linmiaohe@huawei.com>
To: <akpm@linux-foundation.org>
Cc: <imbrenda@linux.ibm.com>, <kirill.shutemov@linux.intel.com>,
	<jack@suse.cz>, <jhubbard@nvidia.com>, <linux-mm@kvack.org>,
	<linux-kernel@vger.kernel.org>, <linmiaohe@huawei.com>
Subject: [PATCH 2/5] mm: gup: remove unneed local variable orig_refs
Date: Sat, 7 Aug 2021 17:36:17 +0800	[thread overview]
Message-ID: <20210807093620.21347-3-linmiaohe@huawei.com> (raw)
In-Reply-To: <20210807093620.21347-1-linmiaohe@huawei.com>

Remove unneed local variable orig_refs since refs is unchanged now.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
 mm/gup.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/gup.c b/mm/gup.c
index 430495cb1b91..d6056dcab02c 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -117,8 +117,6 @@ __maybe_unused struct page *try_grab_compound_head(struct page *page,
 	if (flags & FOLL_GET)
 		return try_get_compound_head(page, refs);
 	else if (flags & FOLL_PIN) {
-		int orig_refs = refs;
-
 		/*
 		 * Can't do FOLL_LONGTERM + FOLL_PIN gup fast path if not in a
 		 * right zone, so fail and let the caller fall back to the slow
@@ -150,7 +148,7 @@ __maybe_unused struct page *try_grab_compound_head(struct page *page,
 			page_ref_add(page, refs * (GUP_PIN_COUNTING_BIAS - 1));
 
 		mod_node_page_state(page_pgdat(page), NR_FOLL_PIN_ACQUIRED,
-				    orig_refs);
+				    refs);
 
 		return page;
 	}
-- 
2.23.0


  parent reply	other threads:[~2021-08-07  9:36 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-07  9:36 [PATCH 0/5] Cleanups and fixup for gup Miaohe Lin
2021-08-07  9:36 ` [PATCH 1/5] mm: gup: remove set but unused local variable major Miaohe Lin
2021-08-09  9:21   ` David Hildenbrand
2021-08-07  9:36 ` Miaohe Lin [this message]
2021-08-09  9:22   ` [PATCH 2/5] mm: gup: remove unneed local variable orig_refs David Hildenbrand
2021-08-07  9:36 ` [PATCH 3/5] mm: gup: remove useless BUG_ON in __get_user_pages() Miaohe Lin
2021-08-09  9:23   ` David Hildenbrand
2021-08-07  9:36 ` [PATCH 4/5] mm: gup: fix potential pgmap refcnt leak in __gup_device_huge() Miaohe Lin
2021-08-07 18:41   ` Andrew Morton
2021-08-07 18:45     ` Andrew Morton
2021-08-08 21:16       ` John Hubbard
2021-08-07  9:36 ` [PATCH 5/5] mm: gup: use helper PAGE_ALIGNED in populate_vma_page_range() Miaohe Lin
2021-08-09  9:24   ` David Hildenbrand
2021-08-08 21:13 ` [PATCH 0/5] Cleanups and fixup for gup John Hubbard
2021-08-09  9:39 ` Claudio Imbrenda

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